`build-ci v3`: Update Infra For `spack v1`#15

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infra-update-v3

Mar 2, 2026

Commits on Nov 17, 2025

infra: Update to v3
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Commits on Dec 4, 2025

[no-ci] infra: Update to spack v1.1
CodeGat
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Commits on Feb 17, 2026

Update comments
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Commits on Feb 27, 2026

Update to spack v1.1 style, updated defs to just compiler versions
CodeGat
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Commits on Mar 2, 2026

Update intel manifests to pin python version due to default latest segfault
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